stream2file_error_msg_t start_recording(const char * const filename, const char * const info, const unsigned short vpid, const unsigned short * const pids, const unsigned int numpids)
{
int fd;
char buf[FILENAMEBUFFERSIZE];
struct statfs s;
// rip rec_filename
if(autoshift)
sprintf(rec_filename, "%s_temp", filename);
else
sprintf(rec_filename, "%s", filename);
// write stream information (should wakeup the disk from standby, too)
sprintf(buf, "%s.xml", rec_filename);
char * dir = strdup(buf);
int ret = statfs(dirname(dir), &s);
free(dir);
if((ret != 0) || (s.f_type == 0x72b6) || (s.f_type == 0x24051905))
{
return STREAM2FILE_INVALID_DIRECTORY;
}
if ((fd = open(buf, O_SYNC | O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) >= 0)
{
write(fd, info, strlen(info));
fdatasync(fd);
close(fd);
}
else
{
return STREAM2FILE_INVALID_DIRECTORY;
}
exit_flag = STREAM2FILE_STATUS_RUNNING;
sprintf(buf, "%s.ts", rec_filename);
dprintf(DEBUG_NORMAL, "[Stream2File] Record start: file %s vpid 0x%x apid 0x%x\n", buf, vpid, pids[0]);
fd = open(buf, O_CREAT | O_RDWR | O_LARGEFILE | O_TRUNC , S_IRWXO | S_IRWXG | S_IRWXU);
if(fd < 0)
{
perror(buf);
return STREAM2FILE_INVALID_DIRECTORY;
}
genpsi(fd);
// init record
if(!record)
{
if(channel)
record = new cRecord( channel->getFeIndex() );
}
// open
record->Open(numpids);
// start_recording
if(!record->Start(fd, (unsigned short ) vpid, (unsigned short *) pids, numpids))
{
record->Stop();
delete record;
record = NULL;
return STREAM2FILE_INVALID_DIRECTORY;
}
if(channel)
{
cam0->setCaPmt(channel->getCaPmt(), 0, 1, true); // demux 0+2 , update
}
return STREAM2FILE_OK;
}
void * FileThread(void * v_arg)
{
ringbuffer_data_t vec[2];
size_t readsize;
unsigned int filecount = 0;
char radio_extension[5];
const unsigned long long splitsize = (limit / TS_SIZE) * TS_SIZE;
unsigned long long remfile=0;
int fd2 = -1;
ringbuffer_t * ringbuf = ((struct filenames_t *)v_arg)->ringbuffer;
while (1)
{
ringbuffer_get_read_vector(ringbuf, &(vec[0]));
readsize = vec[0].len + vec[1].len;
if (readsize)
{
// Do Splitting if necessary
if (remfile == 0)
{
char filename[FILENAMEBUFFERSIZE];
int flags = O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_LARGEFILE;
if (use_o_sync)
flags |= O_SYNC;
retry:
if (mymode == 2)
// without extension .mp2 the Neutrino Audioplayer can not access the recording
sprintf(radio_extension, "%s", ".mp2");
else
sprintf(radio_extension, "%s", "");
sprintf(filename, "%s.%3.3d.%s%s", myfilename, ++filecount, ((struct filenames_t *)v_arg)->extension, radio_extension);
printf("[stream2file] filename: '%s'\n"
" myfilename: '%s'\n", filename, myfilename);
if (fd2 != -1)
close(fd2);
if ((fd2 = open(filename, flags, REC_FILE_PERMISSIONS)) < 0)
{
if (errno == EEXIST) {
printf("[stream2file] %s exists, retrying...\n", filename);
goto retry;
}
perror("[stream2file]: error opening outfile");
exit_flag = STREAM2FILE_STATUS_WRITE_OPEN_FAILURE;
pthread_exit(NULL);
}
if( strstr(filename, ".ts") != NULL && gen_psi )
{
genpsi(fd2);
}
remfile = splitsize;
}
/* make sure file contains complete TS-packets and is <= splitsize */
if ((unsigned long long)readsize > remfile)
{
readsize = remfile;
if (vec[0].len > readsize)
vec[0].len = readsize;
vec[1].len = readsize - vec[0].len;
}
ssize_t written;
while (1)
{
if ((written = write(fd2, vec[0].buf, vec[0].len)) < 0)
{
if (errno != EAGAIN)
{
exit_flag = STREAM2FILE_STATUS_WRITE_FAILURE;
perror("[stream2file]: error in write");
goto terminate_thread;
}
}
else
{
ringbuffer_read_advance(ringbuf, written);
if (vec[0].len == (size_t)written)
{
if (vec[1].len == 0)
{
goto all_bytes_written;
}
vec[0] = vec[1];
vec[1].len = 0;
}
else
{
vec[0].len -= written;
vec[0].buf += written;
}
}
}
all_bytes_written:
if (use_fdatasync)
fdatasync(fd2);
remfile -= (unsigned long long)readsize;
}
else
{
if (exit_flag != STREAM2FILE_STATUS_RUNNING)
goto terminate_thread;
usleep(1000);
}
}
terminate_thread:
if (fd2 != -1)
close (fd2);
pthread_exit(NULL);
}
